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  1. t=int(raw_input())
  2. while t:
  3.     z=int(0)
  4.     n=int(raw_input())
  5.     if n==0 or n==1:
  6.         print("0")
  7.         continue
  8.     sum=int(n)-1
  9.     m=int(n**0.5)
  10.     k=2
  11.  
  12.     while k<=m:
  13.         z=(n/k)-k
  14.         sum+=(k*(z+1)+z*(2*(k+1)+(z-1))/2)
  15.         k=k+1
  16.     print(sum)
  17.     t=t-1
Success #stdin #stdout 0.01s 7900KB
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https://ideone.com/u7Pn9L
language:
Python (cpython 2.7.16)
created:
10 years ago
visibility:
public

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